Horn loudspeaker for providing warning announcement signals, especially sirens, in emergency vehicles



FIG. 1 is a front view from the front of the horn loudspeaker forproviding warning and announcement signals, especially sirens, inaccordance with still another embodiment of our design;

FIG. 2 is a top elevation view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror imagethereof;

FIG. 4 is a front right side perspective view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a rear right perspective view thereof.

The ornamental design for a horn loudspeaker for providing warningannouncement signals, especially sirens, in emergency vehicles, as shownand described.